Picture walking up to the Dillard's counter, two shirts in one hand, smartphone in the other. There's no need to reach for your wallet, because all of the credit card information has been stored in your phone. One tap of the phone against a small mobile reader next to the cash register, and you're out the door.
via Phys.org - latest science and technology news stories http://phys.org/news/2012-06-smartphones-wallets-portable-device-hurdles.html
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